Finding the Fourth Proportional to 398,190,171.36, 597,282,457.68 and 110,975,835.36
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Solution
The fourth proportional to 398,190,171.36, 597,282,457.68 and 110,975,835.36 is: 166,462,972.86
Step by Step Solution
- Step 1: Write the proportion equation
398,190,171.36 : 597,282,457.68 = 110,975,835.36 : x - Step 2: Convert to fraction form
398,190,171.36/597,282,457.68 = 110,975,835.36/x - Step 3: Cross multiply
398,190,171.36x = 597,282,457.68 × 110,975,835.36 - Step 4: Simplify right side
398,190,171.36x = 66,283,919,686,911,840 - Step 5: Solve for x
x = 66,283,919,686,911,840/398,190,171.36 - Step 6: Final answer
x = 166,462,972.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.